SAIFULLOH, A.; NEOH, J. Y. TQM Implementation in Character Education: Lessons Learned from Pesantren Gontor. At-Ta’dib, [S. l.], v. 17, n. 1, p. 18–35, 2022. DOI: 10.21111/at-tadib.v17i1.8047. Disponível em: https://ejournal.unida.gontor.ac.id/index.php/tadib/article/view/8047. Acesso em: 15 mar. 2025.